OpenAI raises $40 billion led by SoftBank at $300 billion valuation

OpenAI announced it would raise $40 billion in a funding round led by SoftBank, at a $300 billion post-money valuation, making it one of the largest private funding rounds ever at the time. OpenAI said the new capital would push the frontiers of AI research further, scale its compute infrastructure, and expand ChatGPT, which it said was used by 500 million people every week.